kopia lustrzana https://github.com/pa3gsb/Radioberry-2.x
41 wiersze
871 B
C
41 wiersze
871 B
C
/*
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Radioberry supporting clock
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This program sets the (fysical pin 7) GPCLK0 pin to 10 Mhz.
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This supporting clock is used for:
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-) reset handler
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-) iambic (cw keying)
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-) heartbeat
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-) ad9866 spi controlling
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It is an important clock but the timing is not used for
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the ADC and DAC conversions.
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This program must be called (clock must be set first) before loading the firmware.
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2018 Johan PA3GSB
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <wiringPi.h>
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#define GPCLK0 7 // pin 7
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#define GPCLK1 21 // pin 29 DO NOT USE => ADVICED NOT TO USE!
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#define GPCLK2 22 // pin 31 DO NOT USE => RESULTS IN ETHERNET CONNECTION PROBLEMS.
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int main(int argc, char **argv)
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{
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wiringPiSetup();
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pinMode(GPCLK0, GPIO_CLOCK);
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gpioClockSet(GPCLK0, 10000000);
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printf("Radioberry supporting clock succesfully set to 10 MHz\n");
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return 0;
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}
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